+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100283 (1995 BU8) Classification: Main-belt Asteroid          SPK-ID: 2100283 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1182042823158318 3.5878e-08   a 3.008323647588082 2.0357e-08 au q 2.652726909851188 1.1157e-07 au i 1.960569409829517 4.3516e-06 deg node 53.35502261014886 0.00012589 deg peri 65.32142831443716 0.00012774 deg M 316.2748115789734 2.1764e-05 deg tp 2459231.980521494927 (2021-Jan-17.48052149) 0.00011613 TDB period 1905.834845942035 5.22 1.9345e-05 5.296e-08 d yr n .1888935973473901 1.9173e-09 deg/d Q 3.363920385324977 2.2763e-08 au   Orbit Determination Parameters    # obs. used (total)      688      data-arc span      9136 days (25.01 yr)      first obs. used      1995-01-29      last obs. used      2020-02-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52931      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 01:03:32   Additional Information  Earth MOID = 1.66961 au   Jupiter MOID = 1.71344 au   T_jup = 3.239  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.2   n/a MPO502721   diameter diameter 4.896 km 0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.067   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   100283 (1995 BU8)          Discovered 1995-Jan-29 by Spacewatch at Kitt Peak Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1995 BU8 = 1998 SO44  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Jul-04 05:55 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin